Excitation of Accelerating Plasma Waves by Counter-propagating Laser Beams

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Generation of accelerating plasma waves using two counter-propagating laser beams is considered. Colliding-beam accelerator requires two laser pulses: the long pump and the short timing beam. We emphasize the similarities and differences between the conventional laser wakefield accelerator and the colliding-beam accelerator (CBA). The highly nonlinear nature of the wake excitation is explained using both nonlinear optics and plasma physics concepts. Two regimes of CBA are considered: (i) the short-pulse regime, where the timing beam is shorter than the plasma period, and (ii) the parametric excitation regime, where the timing beam is longer than the plasma period. Possible future experiments ... continued below

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545 Kilobytes pages

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Shvets, Gennady; Fisch, Nathaniel J. & Pukhov, and Alexander August 30, 2001.

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Description

Generation of accelerating plasma waves using two counter-propagating laser beams is considered. Colliding-beam accelerator requires two laser pulses: the long pump and the short timing beam. We emphasize the similarities and differences between the conventional laser wakefield accelerator and the colliding-beam accelerator (CBA). The highly nonlinear nature of the wake excitation is explained using both nonlinear optics and plasma physics concepts. Two regimes of CBA are considered: (i) the short-pulse regime, where the timing beam is shorter than the plasma period, and (ii) the parametric excitation regime, where the timing beam is longer than the plasma period. Possible future experiments are also outlined.

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545 Kilobytes pages

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INIS; OSTI as DE00788202

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  • Other Information: PBD: 30 Aug 2001

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  • Report No.: PPPL-3602
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/788202 | External Link
  • Office of Scientific & Technical Information Report Number: 788202
  • Archival Resource Key: ark:/67531/metadc716040

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  • August 30, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 15, 2016, 9:08 p.m.

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Shvets, Gennady; Fisch, Nathaniel J. & Pukhov, and Alexander. Excitation of Accelerating Plasma Waves by Counter-propagating Laser Beams, report, August 30, 2001; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc716040/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.